📄WHOIS
registered 35 years ago
🌐DNS
1 A · 2 MX · 6 NS · 1 PTR · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 51d · 6 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Associacao DNS.PT · Email: Self-hosted · Apache
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (165/215) · 1 critical · 2 high
📈Deliverability
A+ (98/100) · 2 MX · 3 IPs · 1 issue(s)
🔍Subdomains
3 found · 93 answered (19 timed out) — smtp, webmail, www